[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: switching from 2.2 to 2.4 kernels

rich <rich@octopus.rudedog.org> writes:

> Running a debian testing box on a lan behind an ipchains masquerader attached 
> to a cable modem,  I tried to upgrade to 2.4.9-686. When running 2.4.9-686 
> (version 2.4.9-1), I could not access my server's POP3 or SMTP server: I got 
> connection refused when doing "telnet pop3.blueyonder.co.uk pop3". Rebooting 
> into 2.2.19--10 fixed it. Both kernel versions are fresh installs, untweaked 
> by me (I reinstalled everything following disk failure)
> 1. Does anyone have any ideas what differences between 2.2.19 and 2.4.9 might 
> cause this? 
> 2. Is it a bug in the 2.4.9 versions that they break the 2.2.19 functionality 
> without telling us?

2.4.x uses a completely different firewall than 2.2.x (iptables instead
of ipchains). Has the kernel config for the 2.4 been compiled with the
legacy ipchains support, or the new iptables support?

Dave Carrigan (dave@rudedog.org)            | Yow! ..  the MYSTERIANS are in
UNIX-Apache-Perl-Linux-Firewalls-LDAP-C-DNS | here with my CORDUROY SOAP
Seattle, WA, USA                            | DISH!!
http://www.rudedog.org/                     | 

Reply to: